Toshiba Corp. (6502.TO) said Friday that it filed suit in the U.S. against eight companies for allegedly infringing its DVD patents.

Those eight companies include Imation Corp. (IMN) of the U.S. and other companies in the U.S., India and Taiwan.

-By Yoshio Takahashi, Dow Jones Newswires; 813-6895-7561; yoshio.takahashi@dowjones.com